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Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 525 · 40 questions
TalentJR

How to do it in your head (Look first): A 9, 19 or 99 → round and adjust. Two close numbers → count up (or near doubles when adding). × or ÷ by 4 or 8 → double or halve; other sums → split into tens and ones.

NameDateTime takenScore ___ / 40
  1. 1.A film starts at 1:55 and ends at 2:20. How many minutes long is the film?
  2. 2.9 + 10 =
  3. 3.272 ÷ 8 =
  4. 4.208 − 180 =
  5. 5.112 ÷ 7 =
  6. 6.215 − 182 =
  7. 7.11 + 13 =
  8. 8.A cricket match starts at 4:55 and the first innings ends at 7:25. How many minutes did the innings last?
  9. 9.A cricket match starts at 1:40 and the first innings ends at 4:55. How many minutes did the innings last?
  10. 10.837 − 99 =
  11. 11.530 − 475 =
  12. 12.A film starts at 7:00 and ends at 8:00. How many minutes long is the film?
  13. 13.What is the remainder when 106 is divided by 7?
  14. 14.152 ÷ 4 =
  15. 15.You buy a cricket ball for ₹21 and a pen for ₹12. You pay with a ₹100 note. How much change do you get, in rupees?
  16. 16.A cricket match starts at 7:25 and the first innings ends at 8:45. How many minutes did the innings last?
  17. 17.Double 86 =
  18. 18.108 laddoos are packed in boxes of 7. How many laddoos are left over?
  19. 19.45 × 4 =
  20. 20.115 − 95 =
  21. 21.504 ÷ 6 =
  22. 22.95 × 7 =
  23. 23.Best estimate of 22 × 91? (a) 1800 (b) 18000 (c) 180
  24. 24.88 + 36 =
  25. 25.113 children stand in rows of 8. How many full rows can they make?
  26. 26.114 laddoos are packed in boxes of 8. How many laddoos are left over?
  27. 27.29 × 8 =
  28. 28.238 ÷ 7 =
  29. 29.28 + ? = 100
  30. 30.31 + 54 =
  31. 31.37 × 9 =
  32. 32.28 + 30 =
  33. 33.A train leaves at 6:05 and reaches the next city at 6:45. How many minutes is the journey?
  34. 34.45 × 5 =
  35. 35.13² =
  36. 36.Half of 68 =
  37. 37.A film starts at 8:05 and ends at 11:25. How many minutes long is the film?
  38. 38.43 + ? = 100
  39. 39.53 − 28 =
  40. 40.96 − 29 =

Answer key

  1. 25
  2. 19
  3. 34
  4. 28
  5. 16
  6. 33
  7. 24
  8. 150
  9. 195
  10. 738
  11. 55
  12. 60
  13. 1
  14. 38
  15. 67
  16. 80
  17. 172
  18. 3
  19. 180
  20. 20
  21. 84
  22. 665
  23. 1800
  24. 124
  25. 14
  26. 2
  27. 232
  28. 34
  29. 72
  30. 85
  31. 333
  32. 58
  33. 40
  34. 225
  35. 169
  36. 34
  37. 200
  38. 57
  39. 25
  40. 67

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